CLEAN: Kites pulling their weight for the environment

The video tutorial discusses the use of large kites to propel ships, significantly reducing fuel consumption and CO2 emissions. It explains the system's secrets, including how to optimize the flight path for maximum energy efficiency. The tutorial also addresses technical challenges and solutions related to retrofitting existing ships, with insights from technicians at Spartanburg Ananda.

What new insight or understanding did you gain from this video?